Looks like a lot of people are having trouble even tho the program is very similar to other trackers. Perhaps I should make a quick overviewof the most basic things.

FOR FULL-SCREEN USERS:Note that the fullscreen mode takes res from the window size. In other words, you can set the window to fit your preference (say, show 4 or 8 tracks) and then when you go fullscreen it will keep all that.

Well most trackers show all channels regardless of if I am using it at a specific sequencer position or not. This was confusing for me.AHX for example, you can change the channel pattern position from within the pattern column so you can edit at the sam time (or visibly have at the same time)4 channels of audio. How you sequence them later is another issue and I think this is just confusing.

I opened a track and it showed up other channels all right, but as I said, this leads to confusion for me (I'm an old dog )

Well most trackers show all channels regardless of if I am using it at a specific sequencer position or not.

The difference here is that AHX can't have empty sequence positions and all patterns are of same length. I guess at least channel headers could be drawn when there is no pattern at all (now it's a weird hybrid of single pattern editor and multiple channel editor).

EDIT: Also, no idea about the Linux bug. I don't know why SDL_mixer doesn't give any error message but I think the error happens in that library (audio settings?)